supported by the National Key Research and Development Program:[Grant Number 2018YFB1305700].
This article focuses on the problem of how to accurately calculate the joint control torques when the explosion-proof robot performs collision detection without sensors and gives a complete solution.Nonlinear joint fr...
Electrostatic discharge (ESD) is a common physical phenomenon in nature, which widely exists in our daily work. In the dangerous area under the coal mine, the huge energy released with the process of electrostatic dis...
Project(2012AA041504)supported by the National High-Tech Research and Development Program of China;Project(KYLX15_1418)supported by the 2015 Annual General University Graduate Research and Innovation Program of Jiangsu Province,China;Project supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD),China
A new explosion-proof walking system was designed for the coal mine rescue robot(CMRR) by optimizing the mechanical structure and control algorithm. The mechanical structure innovation lies mainly in the dual-motor dr...
Supported by the National Basic Research Program of China("973"Program,No.2009CB219907)
An explosion-proof dual throttling air-conditioning system was put forward to solve the heat dissipation and internal dewing problems of explosion-proof frequency converter in the underground coal mine. This study inv...
supported by the National Natural Science Foundation of China (No.50674093);the Pingdingshan Coal Co.Ltd. The EMI distribution measurements were obtained from several coal mines of the Pingdingshan Coal Co.
Coal mining monitoring system has been enforcing tests for the immunity of Electromagnetic Compatibility(EMC) since 2006.However,not all monitoring substations can pass the Electrical Fast Transient/Burst(EFT/B) immun...
A new type water-cooled heat dissipater for multiple high-power thyristors in explosion-proof shell used in coal mine was designed, and then, the numerical computation of the three-dimensional steady-state temperature...
The cooling of the high-power thyristor (HPT) in explosion-proof sbcll (EPS) used inmining pit has been a difficult problem for a long time. It has some spectal demands. According toheat pipe’s working principle, thi...
A recent developed Cycloconverter-IM haulage drive for underground mining is described in this paper. The control of this system is fully digitized. Six INTEL 8031 single-chip microprocessors are interconnected to per...